4.
 If the conceptual analysis resulted on this topic:GROWTH, POLITICS and the STRATIFICATION of PLACES then the translation of this concept into the language of the system using the subject authority file on Education will be:GEOGRAPHIC LOCATION, ECOLOGICAL FACTORS, HUMAN GEOGRAPHY, QUALITY OF LIFE, POLITICAL INFLUENCES, THEORIES,& GROWTH PATTERN.

5.
 Consists of index terms which are assigned to express the concepts of the author. Also called DESCRIPTORS.Ex.DEACIDIFICATIONDEAD TITLESDECAYDEPOSITORY COLLECTIONDEPRECIATION